SMTL ID : 2x68.1

The ternary complex of PrnB (the second enzyme in pyrrolnitrin biosynthesis pathway), 7-Cl-L-tryptophan and cyanide

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.13 Å

Oligo State

monomer

Ligands

1 x HEM: PROTOPORPHYRIN IX CONTAINING FE(Non-covalent)

HEM.1: 27 residues within 4Å: Chain A: S.143, S.147, M.185, S.188, I.189, F.201, A.224, V.225, M.227, L.229, F.249, F.309, R.310, H.313, L.316, A.317, A.320, G.331, S.332, G.333, G.334, Y.335, M.339, L.340, L.343 Ligands: CTE.2, CYN.3 20 PLIP interactions: 20 interactions with chain A, Hydrophobic interactions: A:I.189, A:F.201, A:F.201, A:A.224, A:V.225, A:L.229, A:F.249, A:F.309, A:L.316, A:A.317, A:A.320, A:L.340, A:L.343 Hydrogen bonds: A:G.331, A:G.333, A:G.334, A:Y.335, A:Y.335 Salt bridges: A:R.310 Metal complexes: A:H.313

1 x CTE: 7-CHLOROTRYPTOPHAN(Non-covalent)

CTE.2: 14 residues within 4Å: Chain A: V.117, L.140, V.144, F.201, R.206, Y.209, P.222, G.223, A.224, Y.321, G.331, S.332 Ligands: HEM.1, CYN.3 9 PLIP interactions: 9 interactions with chain A Hydrophobic interactions: A:L.140, A:L.140, A:V.144, A:F.201, A:A.224 Hydrogen bonds: A:P.222, A:S.332, A:S.332 Salt bridges: A:R.206

1 x CYN: CYANIDE ION(Non-covalent)

CYN.3: 5 residues within 4Å: Chain A: G.223, A.224, V.225 Ligands: HEM.1, CTE.2 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:A.224, A:V.225

2 x SO4: SULFATE ION(Non-functional Binders)

SO4.4: 2 residues within 4Å: Chain A: R.213, G.216 3 PLIP interactions: 3 interactions with chain A Water bridges: A:E.90, A:G.216 Salt bridges: A:R.213 SO4.5: 1 residues within 4Å: Chain A: R.262 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:N.107 Water bridges: A:R.262 Salt bridges: A:R.262

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Zhu, X. et al., The Ternary Complex of Prnb (the Second Enzyme in Pyrrolnitrin Biosynthesis Pathway), Tryptophan and Cyanide Yields New Mechanistic Insights Into the Indolamine Dioxygenase Superfamily. J.Biol.Chem. (2010)

Release Date

2010-03-02

Peptides

PRNB: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

PRNB

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